Home / 10,251.67-14,147.97-5,775

Finding the Fourth Proportional to 10,251.67, 14,147.97 and 5,775

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Solution

The fourth proportional to 10,251.67, 14,147.97 and 5,775 is: 7,969.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,251.67 : 14,147.97 = 5,775 : x
  2. Step 2: Convert to fraction form
    10,251.67/14,147.97 = 5,775/x
  3. Step 3: Cross multiply
    10,251.67x = 14,147.97 × 5,775
  4. Step 4: Simplify right side
    10,251.67x = 81,704,526.75
  5. Step 5: Solve for x
    x = 81,704,526.75/10,251.67
  6. Step 6: Final answer
    x = 7,969.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.